Gregory House studied nephrology alongside infectious disease in House M.D.
House is described as a dual specialist in nephrology and infectious disease. Nephrology focuses on the kidneys, kidney function, fluid balance, and related disorders, while infectious disease concerns illnesses caused by pathogens and the body’s responses to them. The combination supports the character’s ability to approach cases from several medical directions.
The show emphasizes House’s role as a diagnostician rather than portraying him as a routine specialist. His department evaluates patients whose symptoms do not fit an obvious diagnosis, drawing on experts from neurology, cardiology, immunology, and other fields when necessary.
A common mix-up is identifying House only with infectious disease because many episodes involve unexplained fevers or infections. Nephrology is equally part of his stated professional background. The character’s medical expertise is fictionalized for drama, and the program sometimes compresses real diagnostic processes to fit an episode’s story.